78888910

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{2039}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 146733120

約数和(自身を除く): 67844210

約数列:

[1, 2, 5, 10, 53, 73, 106, 146, 265, 365, 530, 730, 2039, 3869, 4078, 7738, 10195, 19345, 20390, 38690, 108067, 148847, 216134, 297694, 540335, 744235, 1080670, 1488470, 7888891, 15777782, 39444455, 78888910]

約数ペア:

[(1, 78888910), (2, 39444455), (5, 15777782), (10, 7888891), (53, 1488470), (73, 1080670), (106, 744235), (146, 540335), (265, 297694), (365, 216134), (530, 148847), (730, 108067), (2039, 38690), (3869, 20390), (4078, 19345), (7738, 10195)]